Page 364 - 2021 Sierra Catalog

18-4840➁
COMPLETE LOWER GEARCASE ASSEMBLIES
Replaces: 435277
Fits: 40/48/50hp w/20" Shaft (1989-92)
18-4841➁
COMPLETE LOWER GEARCASE ASSEMBLIES
Replaces: 435276
Fits: 40/48/50hp w/15" Shaft (1989-92)
18-4843➁
COMPLETE LOWER GEARCASE ASSEMBLIES
Replaces: 435279
Fits: 40/48/50hp w/15" Shaft (1993 and Up)
PKG. OF 5
18-2377 18-2377-9➀ RETAINER
SCREW
Replaces: 316563
PKG. OF 4
18-2379 18-2379-9➀ LOWER UNIT
CARRIER SCREW
Replaces: 320041
18-4826
GEARCASE TO
HOUSING SCREW
Replaces: 331999
PKG. OF 5
18-4253-9➀ 18-42531-9➀ (PKG. OF 50) DRAIN SCREW O-RING
Replaces: 336982
Used w/ 18-1236 Drain Screw
PKG. OF 5
18-4248 18-4248-9➀ 18-42481-9➀
(PKG. OF 50) DRAIN/FILL PLUG WASHER
(Plastic)
Replaces: 311598
Used with 18-2387 Drain Screw
PKG. OF 2
18-2945 18-2945-9➀ 18-29451-9➀ (PKG. OF 50) DRAIN SCREW
GASKET
Replaces: 307552
18-1236
DRAIN SCREW
Replaces: 309243 For: 40-50 HP (1989-97) Cobra Drives
18-2387 18-23871-9➀ (PKG. OF 50) LOWER UNIT
DRAIN/FILL SCREW
Slot Head
18-4255
E-TEC DRAIN SCREW
Replaces: 307551 Allan Head
18-2378 18-23781-9➀ (PKG. OF 50) MAGNETIC
DRAIN SCREW
Slot Head
➀ Priced per package
➁ All gearcase assemblies pictured above are primered only. Be prepared to paint the gearcase to match your customer’s engine.
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OUTBOARD — JOHNSON/EVINRUDE (OMC/BRP) - Drive System